CN106661826A - Sheet material and manufacturing method thereof - Google Patents

Sheet material and manufacturing method thereof Download PDF

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Publication number
CN106661826A
CN106661826A CN201580043989.7A CN201580043989A CN106661826A CN 106661826 A CN106661826 A CN 106661826A CN 201580043989 A CN201580043989 A CN 201580043989A CN 106661826 A CN106661826 A CN 106661826A
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CN
China
Prior art keywords
artificial leather
fibre
sea
tablet
woven fabrics
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Granted
Application number
CN201580043989.7A
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Chinese (zh)
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CN106661826B (en
Inventor
西村
西村�一
松崎行博
西村诚
金子诚
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Toray Industries Inc
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Toray Industries Inc
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Publication of CN106661826A publication Critical patent/CN106661826A/en
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Publication of CN106661826B publication Critical patent/CN106661826B/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D06N3/0036—Polyester fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using flocked webs or pile fabrics upon which a resin is applied; Teasing, raising web before resin application
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/10—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with styrene-butadiene copolymerisation products or other synthetic rubbers or elastomers except polyurethanes
    • D06N3/106—Elastomers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/36—Matrix structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2201/00—Chemical constitution of the fibres, threads or yarns
    • D06N2201/02—Synthetic macromolecular fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2203/00—Macromolecular materials of the coating layers
    • D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N2203/068—Polyurethanes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/16—Properties of the materials having other properties
    • D06N2209/1635—Elasticity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2211/00—Specially adapted uses
    • D06N2211/12—Decorative or sun protection articles
    • D06N2211/28—Artificial leather
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D10B2501/04—Outerwear; Protective garments
    • D10B2501/043—Footwear

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Multicomponent Fibers (AREA)

Abstract

A sheet material which has excellent mechanical characteristics, excellent pliability, low weight and high quality, and a manufacturing method thereof, are provided. Constituent components of this sheet material are an elastic polymer and a nonwoven fabric, the main body of which consists of ultrafine hollow fibers of an average single fiber diameter of 0.015-10 micrometers, wherein the ultrafine hollow fibers contain 2-60 hollow portions.

Description

Tablet and its manufacture method
Technical field
The present invention relates to have high mechanical property, flexibility, Lightness and quality tablet and its manufacture method concurrently.
Background technology
In the purposes such as footwear, bag and sport footwear, it is desirable to have the sheets such as mechanical property, flexibility and Lightness artificial leather concurrently Thing.Used as tablets such as Lightness excellent artificial leathers, people are known that very early comprising the fibre structure formed by superfine fibre The tablet of body.What the fiber construct formed by superfine fibre was typically formed by following superfine fibres, the superfine fibre E.g. obtained by optionally only removing sea component dissolving from the fiber construct formed by islands-in-sea bicomponent fibre Arrive.By using such method, the available fiber construct formed by superfine fibre, but optionally removing marine origin Timesharing, or due to pressurized treatments for carrying out to adjust thickness etc., interfibrous space is greatly decreased, and accordingly, there exist nothing Method fully obtains Lightness such problem.In order to solve such problem, it is known to use the fiber formed by doughnut is tied Method of the structure body as tablet.
Specifically, it is proposed that comprising apparent fiber number be 2.0 daniers, hollow bulb be 1, hollow rate be 40～85% The artificial leather of Polyester doughnut is (referring to patent document 1.).
In addition, it is proposed that the base material for artificial leathers formed by following non-woven fabrics and elastomeric polymer, the non-woven fabrics be by Superfine fibre (A) and fiber (B) with superfine fibre (A)/fiber (B) by weight ratio meter be three-dimensional network in the way of 20/80～80/20 Obtained from conjunction, the filament denier of the superfine fibre (A) is below 0.5 dtex；The filament denier of the fiber (B) is Below 5 dtexs, cross section has 5～50 hollow bulbs, and the gross area rate of the hollow bulb is 25～50% scope, and 1 in this Area shared by empty portion is less than 5% (referring to patent document 2.).
In addition, it is also proposed that the artificial leather matrix formed by following non-woven fabrics and elastomeric polymer, the non-woven fabrics be by Fiber cross section have that the doughnut of 5～50 hollow bulbs formed (referring to patent document 3.), in the motion, single fiber is fine Degree is thick, is 3.5 dtexs, lacks flexibility.In addition, it is also proposed that the artificial leather formed by following superfine fibres, the ultra-fine fibre The filament denier of dimension is below 0.1 dtex, and with hollow bulb (referring to patent document 4.).
Prior art literature
Patent document
Patent document 1:No. 3924360 publications of Japanese Patent No.
Patent document 2:Japanese Unexamined Patent Publication 2002-242077 publications
Patent document 3:No. 4004938 publications of Japanese Patent No.
Patent document 4:No. 4869462 publications of Japanese Patent No.
The content of the invention
Invent problem to be solved
However, for the fiber of the composition artificial leather of hollow type obtained from by above-mentioned conventional motion, single fiber Fibre number is 0.1 dtex, and its hollow number is 1 to the maximum, is short of the stability of fibre section.
Therefore, in view of the problem of above-mentioned prior art, it is an object of the invention to provide with high mechanical property, softness Property, Lightness and quality tablet and its manufacture method.
In addition, another object of the present invention is to providing with high mechanical property, flexibility and Lightness and resistance to The excellent full grain artificial leather of bendability.
Means for solving the problems
That is, the present invention is completed to solve above-mentioned problem, and the artificial leather of the present invention is a kind of tablet, and it is special Levy and be, with non-woven fabrics and elastomeric polymer as constituent, the non-woven fabrics with average single fiber it is a diameter of 0.05～ 10 μm of ultra-fine doughnut is main body, has 2～60 hollow bulbs in above-mentioned ultra-fine doughnut.
The preferred embodiment of tablet of the invention, the average single fiber a diameter of 0.1 of above-mentioned ultra-fine doughnut ～6 μm of scope.
The preferred embodiment of tablet of the invention, the tablet of the present invention is that have the artificial of raising at least one side Leather.
The preferred embodiment of tablet of the invention, the tablet of the present invention is full grain artificial leather.
Ultra-fine doughnut used in the present invention can be formed by composite fibre, and the composite fibre has following structures： Coordinate the island component as difficult dissolved element in the sea component as easy dissolved element, and then with cooperation in above-mentioned island component For the structure of the sea component of easy dissolved element.
The effect of invention
According to the present invention, by the way that the superfine fibre with hollow bulb is applied to into artificial leather, can obtain having concurrently and solid fibre The same high mechanical property of dimension, flexibility, the Lightness tablet for being suitable to artificial leather brought by doughnut.
In addition, tablet of the invention, by the way that the superfine fibre with hollow bulb is applied to into full grain artificial leather, Can obtain having concurrently with the same high mechanical property of solid fibre, flexibility and by bring Lightness of doughnut and due to fiber The excellent full grain artificial leather of the quality and resistance to bend(ing) that become soft and bring.
Specific embodiment
The tablet of the present invention is characterised by, with non-woven fabrics and elastomeric polymer as constituent, the nonwoven Cloth has 2 based on the ultra-fine doughnut of a diameter of 0.05～10 μm of average single fiber, in above-mentioned ultra-fine doughnut～ 60 hollow bulbs.
The tablet of the composition present invention, the average single fiber of the ultra-fine doughnut with hollow bulb of formation non-woven fabrics are straight It is important that footpath is 0.05～10 μm of scope.By making average single fiber a diameter of more than 0.05 μm, maintain can tablet Sufficient mechanical strength, in addition, by making average single fiber a diameter of less than 10 μm, the flexibility of artificial leather is obtained.Averagely The preferred scope of single fiber diameter is 0.1～6 μm of scope.
As composition tablet of the invention, form non-woven fabrics, the ultra-fine doughnut with hollow bulb poly- Compound, for example, can enumerate polyester, polyamide, polyolefin and polyphenylene sulfide etc..Polycondensation system with polyester, polyamide as representative gathers The fusing point of compound is generally higher, when the tablets such as artificial leather are made using the fiber formed by these polycondensation based polymers, The physical property such as mechanical property aspect shows good performance, thus can preferably use in the present invention.
As the concrete example of polyester, polyethylene terephthalate, polybutylene terephthalate (PBT) can be enumerated and gathered Trimethylene terephthalate etc..In addition, as the concrete example of polyamide, nylon 6, nylon66 fiber, NYLON610 and nylon can be enumerated 12 etc..
In constituting the polymer of the ultra-fine doughnut used in the present invention, particle, fire retardant and antistatic agent can be contained Deng additive.
The ultra-fine doughnut with hollow bulb that the artificial leather of the present invention can be suitably used for for example can be by using day Composite spinning jete described in this JP 2011-174215 publications and make, the composite spinning jete will be by being used to measure The metering plate with multiple dip hatches of the polymer flow of island composition and for poly- to the discharge that spues from multiple dip hatches The interflow groove that compound stream is collaborated has the distribution plate combination of multiple dispensing orifices, so as to form multiple section shape.
Form the number of the hollow bulb of the ultra-fine doughnut with hollow bulb of the artificial leather of the present invention is for 2～60 Important.By making hollow bulb for more than 2, so as to form wall (crossing support fibre section) between each hollow bulb, because This, compared with the situation that hollow bulb is 1, can improve the rigidity of ultra-fine doughnut, can suppress subsiding for ultra-fine doughnut (collapse)。
In the case of obtained from by removing easy dissolved element (polymer), by making the upper limit of number of hollow bulb be Less than 60, so as to the removing of easy dissolution polymer becomes easy.The number of hollow bulb is more preferably the scope of 3～40.It is logical More than 2 hollow spaces of presence are crossed, so as to compared with the situation that hollow number is 0 or 1, surface area increases, therefore, in dyeing Shi Rongyi dyes dark color.In addition, in the case where full grain artificial leather is formed, due to Lightness but also hollow not only to have Such structure of subsiding is not easy to, thus resistance to bend(ing) is improved, therefore, it is also preferred side from from the viewpoint of the durability of product Formula.
For the assay method of the number of the hollow bulb in superfine fibre, for example, using scanning electron microscope, With the section of the length direction of 3000 times of superfine fibres in artificial leather of observation, in the visual field of 30 μm of 30 μ m, with Machine chooses 30 single fibers, calculates the mean value of the hollow number in these filamentary diameters.
Herein described hollow bulb can be continuous on the length direction of superfine fibre, also can be discontinuous.From surface state, by force From the viewpoint of degree, preferably do not formed by the hollow hole for being formed in fiber side.
As the cross sectional shape of hollow bulb, can be using shapes required according to purpose such as circle, polygons, from fiber It is preferably circular from the viewpoint of the morphological stability in section.In addition, the aligning method as hollow bulb in cross section, can shape Become concentric circles, geometry form etc..
In addition, for the ultra-fine doughnut with hollow bulb, in the case where artificial leather surface forms raising, by It is lightweight in fiber, thus compared with not having a case that hollow bulb, the dispersiveness of raising is improved, and quality and sense of touch become good It is good.
The ultra-fine doughnut with hollow bulb of non-woven fabrics of the artificial leather for constituting the present invention is formed preferably by fabric of island-in-sea type Composite fibre is obtained.Ultra-fine doughnut used in the present invention can be the compound fibre of the fabric of island-in-sea type with inland sea by being formed Tie up and obtain, the islands-in-sea bicomponent fibre with inland sea is except the sea with ease of solubility in islands-in-sea bicomponent fibre Outside the island component of (off-lying sea) composition and slightly solubility, island component intra-zone also with ease of solubility interior sea component form Composite fibre.
Islands-in-sea bicomponent fibre with inland sea can be by using being remembered in such as Japanese Unexamined Patent Publication 2011-174215 publications The composite spinning jete of load and make, the composite spinning jete by by for measure island composition polymer flow with multiple The metering plate of dip hatch and the interflow groove collaborated in the discharge polymer flow being used for spuing from multiple dip hatches have many The distribution plate combination of individual dispensing orifice, so as to various cross sectional shapes can be formed.
Outer sea component and the dissolving of interior sea component are removed by using solvent etc., the ultra-fine fibre with hollow space can be obtained Dimension.
Outer sea component in islands-in-sea bicomponent fibre with inland sea can use identical polymer with interior sea component, also may be used Different polymer is used respectively, from easily being formed from the viewpoint of hollow structure, as interior sea component, is preferably used and off-lying sea Composition is identical or is easier the composition of dissolution (dissolving) than outer sea component.
The shrinkage factor during temperature of 98 DEG C of the islands-in-sea bicomponent fibre with inland sea used in the tablet of the present invention Preferably 10～40%, more preferably 12～35%.It is above-mentioned scope by making shrinkage factor, can improve makes as artificial leather The quality of the product of used time.
For the assay method of shrinkage factor, specifically, first, apply 50mg/dtex's to the beam of composite fibre Load, marks 30.0cm (L0).Then, it is processed 10 minutes in the hot water of 98 DEG C of temperature, determines the length after before processing Degree (L1), calculate (L0-L1)/L0×100.Implement 3 measure, be averaged value as shrinkage factor.
In the present invention, consider from viewpoints such as the uniformities and intensity on the surface of artificial leather, preferably using ultra-fine hollow fibre The non-woven fabrics of beam (superfine fibre beam) complexing of dimension.
Used as the form of superfine fibre beam, superfine fibre can be slightly separated each other, can be with reference to combining, also Can partly combine, can also adopt the form that superfine fibre gathers each other.
The non-woven fabrics used in artificial leather as the present invention, can adopt following non-woven fabrics：Using carding machine, cross lapping Chopped fiber is formed cascade net by machine, is then carried out staple fiber nonwoven fabric obtained from acupuncture, spun lacing；Using spun-bond process, meltblown Etc. the nonwoven fabric of long fibers for obtaining；And the non-woven fabrics obtained using copy paper method；Etc..Wherein, staple fiber nonwoven fabric, spunbond nothing The cloth artificial leather good due to thickness evenness etc. is obtained is spun, thus is preferably used.
In the present invention, consider from viewpoints such as the uniformities and intensity on the surface of full grain artificial leather, preferably use it is ultra-fine in The non-woven fabrics of beam (ultra-fine hollow fiber bundle) complexing of hollow fiber.
Used as the form of ultra-fine hollow fiber bundle, ultra-fine doughnut can be slightly separated each other, can with reference to or do not tie Close, can also partly combine, but also the form that can be each other gathered using superfine fibre.
In the non-woven fabrics of the tablet for constituting the present invention, above-mentioned ultra-fine doughnut can be not only used, also mix it His fiber.As the species of other fibers of mixing, for example, can enumerate by heat such as polyester, polyamide, polyolefin and polyphenylene sulfides The fiber that plastic resin is formed.
For the filament denier of the composite fibre used in the present invention, from the viewpoint of the complexing of acupuncture operation etc. Consider, preferably the scope of 2～10dtex, the more preferably scope of 3～9dtex.
In addition, with regard to the species of the composite fibre used in the present invention, as described later, from for senior during artificial leather The viewpoints such as sense, quality and sense of touch consider, preferably using islands-in-sea bicomponent fibre.
For the non-woven fabrics used in the present invention, for the purpose such as intensity is improved, can be laminated on non-woven fabrics, backing Woven fabric, knitted fabric.In the case where making non-woven fabrics integrated with fabric stacking using acupuncture, in order to prevent constituting fabric The caused damage because of acupuncture of fiber, the strand for preferably making fabric is strong twisted yarn.The twisting count for constituting the strand of fabric is 700T/ M～4500T/m is preferred scope.In addition, constitute fabric filamentary fibre diameter can with by ultra-fine doughnut shape Into non-woven fabrics ultra-fine doughnut fibre diameter it is identical, or can use thinner fibre diameter fiber.
For the tablet of the present invention, above-mentioned non-woven fabrics etc. is important containing elastomeric polymer.By elasticity The bond effect of polymer, can not only prevent superfine fibre from coming off from artificial leather, and can give appropriate resiliency.
In the present invention, as elastomeric polymer, can using polyurethane, polyureas, polyurethane-polyurea elastomer, polyacrylic acid, Acrylonitrile-butadiene elastomer and styrene-butadiene elastomer etc., from from the viewpoint of flexibility and resiliency, preferably make Use polyurethane.
Used as polyurethane, for example, can enumerate the mol ratio to specify makes to be selected from the polyester two of mean molecule quantity 500～3000 At least a kind polymer diol in polymer diols such as alcohol, PTMEG, PCDL or polyester PTMEG etc. and Selected from the alicyclic ring families such as the fragrant families such as 4,4 '-methyl diphenylene diisocyanate, IPDI and six methylenes At least a kind diisocyanate and ethylene glycol, butanediol, second in diisocyanate of the fatty families such as group diisocyanate etc. The reaction of at least a kind low molecular compound with more than 2 active hydrogen atoms such as diamines and 4,4 '-diaminodiphenyl-methane and The polyurethane for obtaining and its modifier.
The matter average molecular weight of polyurethane series elastomer is preferably 50,000～300,000.It is 50 by making matter average molecular weight, More than 000, more preferably 100, more than 000, more preferably 150, more than 000, the intensity of artificial leather can be kept, in addition, Coming off for composite fibre can be prevented.In addition, by making matter average molecular weight be 300, less than 000, more preferably 250, less than 000, The viscosity that polyurethane solutions can be suppressed increases so that the impregnation in non-woven fabrics is easily carried out.
In addition, in elastomeric polymer, can be containing elastomer resin, propylene such as Polyester, polyamide-based and polyolefins Acid resin and vinyl acetate resins etc..
In addition, in the elastomeric polymer used in the present invention, as needed, the pigment such as carbon black, dyestuff can be coordinated anti-oxidant Agent, antioxidant, photostabilizer, antistatic agent, dispersant, softening agent, coagulation regulator, fire retardant, antiseptic and deodorant etc. Additive.
In addition, as elastomeric polymer, the elastomeric polymer that dissolves in organic solvent and formed, dispersion and shape in water Into elastomeric polymer can use.
The non-woven fabrics for being complexed relative to ultra-fine doughnut and being formed, the containing ratio of elastomeric polymer is preferably 5～200 matter Amount %.Surface state, resiliency, hardness and intensity of artificial leather etc. can be adjusted by the content of elastomeric polymer.By making Content is more than 5 mass %, more than more preferably 20 mass %, more than more preferably 30 mass %, can to reduce fiber and take off Fall.On the other hand, it is below 200 mass %, below more preferably 100 mass %, is more preferably 80 matter by making content Amount below %, is obtained superfine fibre homodisperse state in sheet surface.
The weight per unit area of the artificial leather formed by ultra-fine doughnut of the present invention is preferably 100～500g/m2's Scope.100g/m is preferably by making weight per unit area2Above, more preferably 150g/m2More than, filled can artificial leather The morphological stability divided and dimensional stability.On the other hand, it is preferably 500g/m by making weight per unit area2Below, it is more excellent Elect 300g/m as2Hereinafter, artificial leather can be made to obtain sufficient flexibility.
In addition, when full grain artificial leather is made, giving the stage before the coating formed by elastomeric polymer The weight per unit area of tablet is preferably 100～1500g/m2Scope.100g/m is preferably by making weight per unit area2 Above, more preferably 150g/m2Above, more preferably 200g/m2More than, artificial leather base material can be made to obtain sufficient form Stability and dimensional stability.On the other hand, it is preferably 1500g/m by making weight per unit area2Below, more preferably 1200g/m2Below, it is more preferably 1000g/m2Hereinafter, substrate artificial leather and full grain artificial leather can be made to obtain fully Flexibility.
The thickness of the tablet of the present invention is preferably the scope of 0.1～10mm.By make thickness be preferably more than 0.1mm, Preferably more than 0.3mm, is obtained sufficient morphological stability and dimensional stability.On the other hand, it is preferably by making thickness Below 10mm, more preferably below 5mm, are obtained sufficient flexibility.
For the tablet of the present invention, preferred pair at least one side is implemented raising and is processed.By so operation, making During suede (Suede) artificial leather, the sense of touch of densification is obtained.
For the full grain artificial leather of the present invention, the quilt formed by elastomeric polymer is formed on above-mentioned tablet Coating (wholegrain surface layer) is important.As elastomeric polymer used herein, consider from the viewpoint such as flexibility and resiliency, can Preferably use and aforementioned same polyurethane.
The thickness of wholegrain surface layer is preferably the scope of 0.03～3mm, the more preferably scope of 0.05～0.5mm.
For the full grain artificial leather of the present invention, in order to improve the abrasion performance of product, can be in above-mentioned coating Upper further the 2nd and the 3rd coating (wholegrain surface layer) of stacking.The thickness of the 2nd wholegrain surface layer and the 3rd wholegrain surface layer is preferably 0.01 The scope of the scope of～2mm, more preferably 0.02～1mm.
In addition, the thickness of full grain artificial leather after wholegrain surface layer is formed is preferably the scope of 0.2～12mm, more preferably The scope of 0.4～5mm.
Next, tablet to the present invention etc. and its manufacture method are illustrated.
As the method for the ultra-fine doughnut with hollow bulb of the artificial leather for obtaining constituting the present invention, can adopt and use Thermoplastic resins more than 2 kinds of different compositions of dissolubility in solvent etc. as sea component and island component, in subsequent handling Used in solvent etc. sea component dissolving is removed, thus make island component become the islands-in-sea bicomponent fibre of superfine fibre；Alternating is matched somebody with somebody Putting various thermoplastic resins makes it become radial or many stratiforms on fibre section, each composition is peeled off and is split, and thus cuts fibre Into the exfoliated composite fibre of superfine fibre；Etc..Specifically, can be by using above-mentioned Japanese Unexamined Patent Publication 2011-174215 Making islands-in-sea bicomponent fibre, the composite spinning jete will be by being used to be measured for composite spinning jete described in number publication The metering plate with multiple dip hatches of the polymer flow of island composition and for the discharge spued from multiple dip hatches to be gathered The interflow groove at compound stream interflow has the distribution plate combination of multiple dispensing orifices, so as to form various cross sectional shapes.By making point Distribution is arranged in can be formed in the island component of islands-in-sea bicomponent fibre in the way of sea component and the ultra-fine of the present invention is obtained Doughnut.
For the fiber of tablet of present invention complexing body (non-woven fabrics) is constituted, can be by making composite fiber web Operation and implement operation that complexing processes to the composite fiber web and obtain fiber complexing body (non-woven fabrics).By from obtaining The polymer dissolving as ease of solubility composition of composite fibre is removed in non-woven fabrics, or is shelled by physically or chemically acting on From or segmentation, and before or after superfine fibre is formed/or after carrying out fluffing process, give with poly- ammonia to non-woven fabrics Ester is the elastomeric polymer of principal component, and the operation for making elastomeric polymer substantially solidification and solidifying it；And implement at fluffing Reason and form raising on the surface, make thickness uniformizing, be thus obtained artificial leather, and then through carrying out using Colour Difference The operation processed afterwards and obtain artificial leather.
For the ultra-fine doughnut with hollow bulb of tablet of the present invention is constituted, it is in avarage fiber diameter There are 2～60 hollow spaces to be important in 0.05～10 μm of ultra-fine doughnut.It is excellent for the formation of hollow bulb Choosing is obtained by the islands-in-sea bicomponent fibre being closely controlled, by forming interior sea component in the island component of islands-in-sea type fibre, and The interior sea component dissolving is removed, the ultra-fine doughnut with hollow bulb can be obtained.
Composite fibre used in the present invention preferably has been assigned to buckle crispaturas.This is because, crispaturaed by buckling so that Interfibrous complexing when forming staple fiber nonwoven fabric is improved, and high density and high complexingization are possibly realized.In order to compound fibre Dimension imparting is buckled and is crispaturaed, preferably using common stuffing box (stuffing box) type crimper (crimper), in order to obtain Preferably crispatura in the present invention retention coefficient, preferably appropriate adjustment processes fiber number, crimper temperature, crimper load and pressurization pressure Power etc..
As the retention coefficient of crispaturaing for having been assigned the superfine fibre crispaturaed of buckling and generating fiber type, preferably 3.5～ 15 scope, more preferably 4～10 scope.By making to crispatura retention coefficient for more than 3.5, so as to when non-woven fabrics is formed, The rigidity raising of the thickness direction of non-woven fabrics, can maintain the complexing in the complexing operation such as acupuncture.In addition, by making holding of crispaturaing Coefficient is less than 15, and so as to will not excessively apply to crispatura, the fibrillation of the fleece in cotton carding is excellent.
Herein so-called retention coefficient of crispaturaing, is expressed from the next.
Crispatura retention coefficient=(W/L-L0)1/2
W：Crispatura and eliminate the load (load crispaturaed when can not recover：mg/dtex)
L：The fibre length (cm) crispaturaed under elimination load
L0：Fibre length (cm) under 6mg/dtex.Mark 30.0cm.
As method for measuring, first, apply the load of 100mg/dtex to sample, then, in units of 10mg/dtex Increase load, confirm the state crispaturaed.Apply load until crispaturaing and can not recover, determine the mark crispaturaed under irreclaimable state The length (from 30.0cm elongations) of note.
Interior sea component in the sea component and superfine fibre of the composite fibre used in the manufacture of the tablet of the present invention Before the imparting elastomeric polymer that dissolving removing can be in the case of producer's fabricate-leather, give after elastomeric polymer and carry out Any stage in after fluffing process is carried out.
As the method for the non-woven fabrics of the tablet for obtaining constituting the present invention, as described above, can be using using acupuncture, spun lacing And method, spun-bond process, meltblown and copy paper method of fleece complexing etc. are made, wherein, it is preferably used in and makes as described above surpassing After the pattern of fine fibre beam, the method for carrying out the process such as acupuncture, spun lacing.
For non-woven fabrics, as described above, non-woven fabrics can be made integrated with fabric stacking, preferably use and utilize pin The method that thorn, spun lacing etc. make their integrations.
For the pin that can be used for needling treatment, the number of pinhock (recess) is preferably 1～9.By making pinhock excellent Elect more than 1 as, can efficiently carry out the complexing of fiber.On the other hand, less than 9 are preferably by making pinhock, can suppress fine Dimension is damaged.
The superfine fibre that hooked generate the radical of the composite fibres such as fiber type by hook shape and composite fibre it is straight Footpath determines.Therefore, the hook shape of the pin used in acupuncture operation preferably uses following shapes：Kick up (kickup) for 0～ 50 μm, undercut corner (under cut angle) is 0～40 °, and throat depth (throat depth) is 40～80 μm, and larynx is long (throat length) is 0.5～1.0mm.
In addition, perforation (punching) radical is preferably 1000～8000/cm2.It is preferably by making perforation radical 1000/cm2More than, compactness is obtained, it is capable of achieving high-precision rear processing.On the other hand, by making perforation radical preferred For 8000/cm2Hereinafter, deterioration, fibre damage and the intensity decreases of processability can be prevented.
In addition, when carrying out being laminated integrated fabric with the non-woven fabrics formed by superfine fibre generation fiber type, passing through The hook direction for making the pin of acupuncture is preferably vertically i.e. 90 ± 25 ° relative to the direct of travel of fabric and non-woven fabrics, thus, will be difficult Hook and hold easily vulnerable weft yarn.
In addition, in the case where spun lacing process is carried out, the state for becoming columnar flow with water carries out being preferred.It is concrete and Speech, preferably makes water spray from the nozzle of a diameter of 0.05～1.0mm with the pressure of 1～60MPa.
Needling treatment or spun lacing process after the non-woven fabrics formed by composite fibre apparent density be preferably 0.15～ 0.45g/cm3.0.15g/cm is preferably by making apparent density3More than, artificial leather can be made to obtain sufficient morphological stability and chi Very little stability.On the other hand, it is preferably 0.45g/cm by making apparent density3Hereinafter, can maintain for giving elastomeric polymer Sufficient space.
Formed for operating as discussed above the superfine fibre by fabric of island-in-sea type with inland sea that obtains and generating fiber type For non-woven fabrics, from from the viewpoint of densification, it is shunk preferably by xeothermic or damp and hot or both, and then carried out highly dense Degreeization.
As from as composite fibre superfine fibre generate fiber type in dissolve sea component and formed superfine fibre (island into Point) in hollow bulb interior sea component solvent, if marine origin is divided into PLA, copolyester, NaOH etc. can be used Alkaline aqueous solution.If removing the dissolving of interior sea component using the solvent same with sea component, a dissolution process can be passed through To manufacture ultra-fine doughnut, therefore, it is also preferred embodiment from from the aspect of the simplicity of technique.
In addition, superfine fibre generates processing (de- sea is processed) can carry out in the following manner：Type will be generated by superfine fibre Fibroplastic non-woven fabrics impregnated in solvent, carry out mangle.
In addition, superfine fibre generate processing can using continuous dyeing machine, the de- sea machine of vibration washing (vibro-washer) type, Device known to liquid-flow dyeing machine, wince (wince) overflow dyeing machine and dye jigger etc..In addition, superfine fibre generate processing can be Raising before processing is carried out, and also can be carried out after raising is processed.
For elastomeric polymer, can give before superfine fibre generates processing, also can generate in superfine fibre and process Give afterwards or after hollow space is formed.
As the solvent used when giving polyurethane as elastomeric polymer, preferably using N, N '-dimethyl formamide, Dimethyl sulfoxide (DMSO) etc., it is also possible to the water dispersant type polyaminoester liquid formed so that polyurethane is dispersed in water in the form of an emulsion Form is used.
Assigned to non-woven fabrics by the way that non-woven fabrics to be immersed in the medium operation of elastic polymer solution for being dissolved in solvent Elastomeric polymer is given, then, solidification in elastomeric polymer substance is made by being dried and is solidified it.In the poly- ammonia of solvent system In the case of ester solution, can be dissipated in the moisture with gelation by solidifying it in the solvent that impregnated in non-solubility In the case of type polyurethane liquid, using dry type clotting method being dried after gelation is carried out etc. it is solidified.Entering When row is dried, preferably the temperature in the degree of the performance for not damaging non-woven fabrics and elastomeric polymer is heated.
For the tablet of the present invention, preferred pair at least one side carries out raising.It is artificial for the full grain of the present invention Leather, can carry out raising before wholegrain surface layer is formed at least one side on the surface of tablet.Raising process can using sand paper, Drum sander etc. is carried out.Raising is processed and can carried out using sand paper, drum sander etc..Especially, by using sand paper, can shape Uniformly and densification raising.Additionally, in order to form uniform raising on the surface of tablet, it is preferred to reduce grinding load.For Reduce grinding load, for example, the number of stages that carries out polishing is 3 multistages the polishings more than stage, and is made used in each stage It is preferred mode that the number of sand paper is the scope of No. 120～No. 600 of JIS regulations.
In the tablet of the present invention, for example can be containing dyestuff, pigment, softening agent, anti-pilling agent, antiseptic, deodorant, anti- The functional medicines such as aqua, photostabilizer and weather resisting agent.
The tablet of the preferred pair present invention implements dyeing.As dyeing means, apply from while artificial leather is dyeed Rub effect and can carry out from the aspect of softness, preferably use liquid-flow dyeing machine.Dyeing temperature is preferably 70～140 DEG C of temperature Degree.As dyestuff, in the case where ultra-fine doughnut is polyester fiber, disperse dyes are preferably used.In addition, can be after dyeing Carry out reduction washing.
In addition, the uniformity in order to improve dyeing, preferably uses dyeing assistant in dyeing.Additionally, organosilicon can be carried out Deng the rear working process of softening agent, antistatic agent, waterproofing agent, fire retardant and photostabilizer etc..Afterwards working process can be entered after dyeing OK, also can carry out in same body lotion with dyeing.
As the forming method of the coating (wholegrain surface layer) formed by elastomeric polymer, it is usable in being coated on tablet Method of polyurethane etc..On tablet coating adhesive, by tablet fit with coating and make its be dried lay-up method It is method for optimizing.In addition, in order to improve abrasion performance, the 2nd and the 3rd layer can be laminated on coating, the method for stacking can be used Existing known method.The stacking coating weight of wholegrain surface layer is preferably 30～300g/m2Scope, more preferably 50～200g/m2 Scope.
The tablet of the present invention due to having flexibility, mechanical properties and Lightness simultaneously, therefore, can be suitable for footwear, CD sheath, abrasive cloth, cleaning band and the wiping such as bag, sport footwear, groceries purposes, dress material, automotive interior trim material, CD, DVD Industry material purposes such as wiping cloth (rags) etc..In addition, the full grain by forming polyurethane etc. on surface, can be artificial as full grain Remove from office and suitably use.
Embodiment
Next, being illustrated to the tablet and its manufacture method of the present invention by embodiment.
[assay method and evaluation processing method]
(1) fusing point of polymer：
For fusing point, using パ ー キ Application エ ル マ ー company (Perkin Elmaer) DSC-7 processed, during the 2nd is taken turns (2nd run) shows the fusing point of the summit temperature as polymer of polymer melting.Programming rate now is 16 DEG C/min, Sample size is 10mg.2 measure are carried out, value is averaged as fusing point.
(2) melt flow rate (MFR) (MFR) of polymer：
4～5g sample particles are put in the barrel of MFR instrument electric furnaces, using Toyo Seiki melt indexer (S101), load be 2160gf, temperature be 285 DEG C under conditions of, determine 10 minutes extrude resin amount (g).Enter repeatedly 3 same measure of row, using mean value as MFR.
(3) the average single fiber diameter of the superfine fibre in tablet：
For average single fiber diameter, using scanning electron microscope (SEM キ ー エ Application ス company systems VE- 7800 types), with the vertical section of thickness direction of 3000 times of observations and the non-woven fabrics for including superfine fibre, in 30 μm of 30 μ m 50 single fibers are randomly selected in the visual field, diameter is determined.Wherein, said determination is carried out at 3, is determined and is added up to 150 single fibers Diameter, will round up below decimal point, calculate mean value.In the case that superfine fibre is odd-shaped cross section, first, determine single The sectional area of fiber, calculates the diameter being considered as in the section in the case of circle, thus obtains filamentary diameter.
(4) the hollow bulb number in superfine fibre：
For hollow bulb number, using scanning electron microscope (SEM), with 3000 times pairs with tablet in it is super The section that the length direction of fine fibre is vertical is observed, and in the visual field of 30 μm of 30 μ m 30 single fibers are randomly selected, and calculates The mean value of the hollow number gone out in 30 filamentary diameters of selection.
(5) apparent density of tablet：
For apparent density, according to JIS L1913 6.2 (2010), analytical unit area weight (g/m2), utilize ダ イ ヤ Le シ ッ Network ネ ス ゲ ー ジ (strain) tails are rugged to make made trade name “ ピ ー U ッ Network H " (registration mark) measure thickness (mm).Using weight per unit area and the value of thickness, apparent density (g/cm is calculated3)。
(6) flexibility of artificial leather：
For flexibility, artificial leather is cut into into the circle of φ 250mm, according to sense of touch during palm grip, with Being judged for unit per 1 grade in the range of following 5～1.When evaluation result is more than 4, it is considered as flexibility good.
5：With flexibility, and with the resilience sense of appropriateness.
4：It is with flexibility, although with resilience sense but slightly few.
3：With some flexibilities, resilience sense is few.
2：Without flexibility, with some resilience senses.Or
With some flexibilities, without resilience sense.
1：Without flexibility, firmly, without resilience sense, paper is similar to.
(7) MARTINDALE abrasion tests：
It is being measured according to JIS L1096 (1999) 8.17.5E methods (MARTINDALE methods) furniture load (12kPa) Abrasion performance test in, to carrying out 20000 abrasion after the Mass lost of artificial leather evaluate.It is by wear loss The situation of below 10.0mg is considered as functional.
(8) surface quality of product：
For the artificial leather for obtaining, sensory evaluation is implemented according to the sensory evaluation of 20 healthy men and women.According to raising length Whether the consistent, dispersiveness of face fibre is well evaluated, 5 be it is best, 1 be it is worst, with the range of 5～1 per 1 Level is judged for unit.When evaluation result is more than 4, it is considered as quality is good.
5：Raising length is consistent, and dispersiveness is fully and sense of touch is good.
4：Raising length is slightly chaotic, but fiber disperses, and sense of touch is also good.
3：There is part length or short raising, the dispersion of fiber is slightly bad.
2：There is confusion in face fibre, the situation that the dispersion of fiber is bad is more, and sense of touch is also poor.
1：Face fibre is sparse, and fiber does not disperse, and sense of touch is coarse.
(9) flexibility of full grain artificial leather：
For flexibility, full grain artificial leather is cut into into the circle of φ 250mm, according to during palm grip touch Sense, is evaluated in units of in the range of following 5～1 per 1 grade.When evaluation result is more than 4, it is considered as flexibility good It is good.
5：With flexibility, and with the resilience sense of appropriateness.
4：It is with flexibility, although with resilience sense but slightly few.
3：With some flexibilities, resilience sense is few.
2：Without flexibility, with some resilience senses.Or
With some flexibilities, without resilience sense.
1：Without flexibility, firmly, without resilience sense, paper is similar to.
(10) the resistance to bending of full grain artificial leather：
With regard to resistance to bending, full grain artificial leather is cut into into the circle of φ 250mm, the wholegrain surface layer with circular specimen is The mode of inner side carries out doubling, and in the position away from bending part 5cm counterweight of the load for 5kg is placed, and after standing 1 hour, visually sees Examine the warpage shape of generation, by following 5.0～0.0 grades per 0.5 grade in units of judged and evaluated.Knot will be evaluated It is good that fruit is considered as fold for 3.5 with up to 5 situation.
5：Fold is not produced.
4：Although it was observed that some folds but very not substantially, are recovered by stretching.
3：Although sporadically appearing fold, substantially recovered by stretching.
2：It was observed that fold, is recovered by stretching.
1：It was observed that obvious fold, even if stretching does not also recover.
[embodiment 1]
＜ raw cotton ＞
(island component polymer)
Using the polyethylene terephthalate (PET) that fusing point is 260 DEG C, MFR is 46.5.
(sea component polymer)
Using the polystyrene (PSt) that the Vicat softening point measured according to JIS K7206 is 100 DEG C, MFR is 120.
(spin-drawing)
Using above-mentioned sea component polymer and island component polymer, had in 4 using having in 16 islands, Qie Ge islands Sea component, the fabric of island-in-sea type composite spinning jete that island number is 16/hole, inland sea number is 4/island, are 285 DEG C, island in spinning temperature The quality ratio of composition/interior sea component/sea component be 55/15/30 under conditions of carry out melt spinning.
Next, in the stretching bath of liquid of 85 DEG C of temperature, the stretching of 2 stages is carried out in the way of total multiplying power becomes 3.0 times, Given using filler box crimper and being crispaturaed, obtain islands-in-sea bicomponent fibre.The single fiber of the islands-in-sea bicomponent fibre for obtaining is fine Spend for 4.2dtex, the fibre diameter of superfine fibre is 4.4 μm, and shrinkage factor during 98 DEG C of temperature is 18.3%.By the compound fibre It is 51mm that dimension cuts into fibre length, obtains the raw cotton of islands-in-sea bicomponent fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, Jing carding machines and cross lapping machine operation, stacking fleece is formed.Next, for The laminated fabric net for arriving, using be provided with 1 total hook depth be 0.075mm pin needing machine, with pin depth as 7mm, perforation root Number is 2700/cm2Implement acupuncture, production unit's area weight is 750g/m2, apparent density be 0.236g/cm3Non-woven fabrics.
＜ artificial leather ＞
Above-mentioned non-woven fabrics is shunk with the hot water of 98 DEG C of temperature, then, the PVA of 13% concentration is impregnated with thereto (polyvinyl alcohol) aqueous solution, with the hot blast of 120 DEG C of temperature drying in 10 minutes is carried out, and thus, obtains PVA mass relative to nonwoven The quality of cloth is the non-woven fabrics of 25 mass %.The non-woven fabrics that obtains will be operated as discussed above to impregnated in trichloro ethylene, by sea Composition dissolving is removed, and obtains the non-woven fabrics (the de-sea sheet material) formed by superfine fibre.By operate as discussed above obtain by surpassing The non-woven fabrics (the de-sea sheet material) that fine fibre is formed impregnated in and solid component concentration is adjusted to into 12% polycarbonate-based poly- ammonia In DMF (dimethylformamide) solution of ester, next, solidifying polyurethane in the aqueous solution of DMF concentration 30%.Then, PVA and DMF is removed with hot water, with the hot blast of 110 DEG C of temperature drying in 10 minutes is carried out, thus, obtain polyurethane quality phase For the tablet that the quality of the above-mentioned superfine fibre formed by island component is 27 mass %.Then, using with annular Half sanction machine of band knife, carries out in a thickness direction half sanction, using the sand paper of No. JIS#150, to non-half sanction face 3 stage mills is carried out Cut, form raising, producer's fabricate-leather.Further, using circular drying machine, dyeed using disperse dyes, obtained artificial leather (system Product).The flexibility of the artificial leather (product) for obtaining is good, is 5.In addition, MARTINDALE wear losses are 6.5mg, surface product Matter is good, is 4.7.Show the result in table 1.
＜ full grain artificial leather ＞
Using knife type coater, 110g/m is become with weight per unit area2Mode, polyethers system is polyurethane coated upper On half sanction face of the artificial leather stated, and it is set to solidify in the aqueous solution that DMF concentration is 30%.Then, will be using bonding agent Top layer (the 100g/m formed by polyether polycarbonate system polyurethane formed on peeling paper2) outermost layer is adhered to, make complete Grain artificial leather.
The flexibility of the full grain artificial leather for obtaining is good, is 5.In addition, resistance to bending is good, it is 4.5.Show the result in Table 1.
[embodiment 2]
＜ raw cotton ＞
(island component polymer and sea component polymer)
Using island component polymer and sea component polymer same as Example 1.
(spin-drawing)
Using above-mentioned sea component polymer and island component polymer, the fiber number for making islands-in-sea bicomponent fibre is 6.1dtex, The fibre diameter for making superfine fibre is 5.5 μm, in addition, is operated similarly to Example 1, obtains islands-in-sea bicomponent fibre Raw cotton.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
In addition to using above-mentioned non-woven fabrics, operate similarly to Example 1, obtain tablet, artificial leather and artificial Leather (product).The flexibility of the artificial leather (product) for obtaining is good, is 5.In addition, MARTINDALE wear losses are 6.2mg, table Face quality is good, is 4.6.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using above-mentioned artificial leather, using method similarly to Example 1 full grain artificial leather is obtained.Obtain Full grain artificial leather flexibility it is good, be 5.In addition, resistance to bending is good, it is 4.5.Show the result in table 1.
[embodiment 3]
＜ raw cotton ＞
(island component polymer and sea component polymer)
Using island component polymer and sea component polymer same as Example 1.
(spin-drawing)
Using above-mentioned sea component polymer and island component polymer, had in 6 using having in 12 islands, Qie Ge islands Sea component, the fabric of island-in-sea type composite spinning jete that island number is 12/hole, inland sea number is 6/island, make the fibre of islands-in-sea bicomponent fibre Spend for 7.5dtex, the fibre diameter for making superfine fibre is 7.0 μm, in addition, is operated similarly to Example 1, obtains island The raw cotton of type composite fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
In addition to using above-mentioned non-woven fabrics, operate similarly to Example 1, obtain tablet, artificial leather and artificial Leather (product).The flexibility of the artificial leather (product) for obtaining is good, is 4.In addition, MARTINDALE wear losses are 6.0mg, table Face quality is good, is 4.1.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using above-mentioned artificial leather, using method similarly to Example 1, full grain artificial leather is obtained. The flexibility of the full grain artificial leather for arriving is good, is 4.In addition, resistance to bending is good, it is 4.5.Show the result in table 1.
[embodiment 4]
＜ raw cotton ＞
(island component polymer and sea component polymer)
Using island component polymer and sea component polymer same as Example 1.
(spin-drawing)
Using above-mentioned sea component polymer and island component polymer, had in 48 using having in 8 islands, Qie Ge islands Sea component, the fabric of island-in-sea type composite spinning jete that island number is 8/hole, inland sea number is 48/island, make the fibre of islands-in-sea bicomponent fibre Spend for 7.6dtex, the fibre diameter for making superfine fibre is 8.6 μm, in addition, is operated similarly to Example 1, obtains island The raw cotton of type composite fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
In addition to using above-mentioned non-woven fabrics, operate similarly to Example 1, obtain tablet, artificial leather and artificial Leather (product).The flexibility of the artificial leather (product) for obtaining is good, is 4.In addition, MARTINDALE wear losses are 5.7mg, table Face quality is good, is 3.7.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using above-mentioned artificial leather, using method similarly to Example 1, full grain artificial leather is obtained. The flexibility of the full grain artificial leather for arriving is good, is 4.In addition, resistance to bending is 4.0.Show the result in table 1.
[embodiment 5]
＜ raw cotton ＞
(island component polymer and sea component polymer)
Using island component polymer and sea component polymer same as Example 1.
(spin-drawing)
Using above-mentioned sea component polymer and island component polymer, had in 3 using having in 37 islands, Qie Ge islands Sea component, the fabric of island-in-sea type composite spinning jete that island number is 37/hole, inland sea number is 3/island, make the fibre of islands-in-sea bicomponent fibre Spend for 3.1tex, the fibre diameter for making superfine fibre is 2.5 μm, in addition, is operated similarly to Example 1, obtains island The raw cotton of type composite fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
In addition to using above-mentioned non-woven fabrics, operate similarly to Example 1, obtain tablet, artificial leather and artificial Leather (product).The flexibility of the artificial leather (product) for obtaining is good, is 5.In addition, MARTINDALE wear losses are 7.9mg, table Face quality is good, is 4.6.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using the artificial leather for obtaining is operated as discussed above, operate similarly to Example 1, obtain full grain Artificial leather.The flexibility of the full grain artificial leather for obtaining is good, is 5.In addition, resistance to bending is 3.5.Show the result in table 1.
[embodiment 6]
＜ raw cotton ＞
(island component polymer and sea component polymer)
Using island component polymer and sea component polymer same as Example 1.
(spin-drawing)
Using above-mentioned sea component polymer and island component polymer, there are 2 using having in 160 islands, Qie Ge islands Interior sea component, the fabric of island-in-sea type composite spinning jete that island number is 160/hole, inland sea number is 2/island, make islands-in-sea bicomponent fibre Fiber number is 4.6tex, and the fibre diameter for making superfine fibre is 1.5 μm, in addition, is operated similarly to Example 1, obtains sea The raw cotton of island composite fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
In addition to using above-mentioned non-woven fabrics, operate similarly to Example 1, obtain tablet, artificial leather and artificial Leather (product).The flexibility of the artificial leather (product) for obtaining is good, is 4.In addition, MARTINDALE wear losses are 8.9mg, table Face quality is good, is 4.5.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using above-mentioned artificial leather, using method similarly to Example 1, full grain artificial leather is obtained. The flexibility of the full grain artificial leather for arriving is good, is 4.In addition, resistance to bending is 3.5.Show the result in table 1.
[embodiment 7]
＜ raw cotton ＞
(island component polymer)
Using the nylon 6 that fusing point is 220 DEG C, MFR is 58.0 as island component polymer.
(sea component polymer)
Using sea component polymer same as Example 1.
(spin-drawing)
In addition to using above-mentioned sea component polymer and island component polymer, operate similarly to Example 1, obtain The raw cotton of islands-in-sea bicomponent fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
By using above-mentioned non-woven fabrics, operate the artificial leather that obtains to be 1 in 4.0%owf, bath raio similarly to Example 1：100、 PH=7, temperature are 90 DEG C, the time is in dyestuff (" Irgalan " Red 2GL) [the チ バ ス ペ シ ャ リ テ containing gold under conditions of 60 minutes ィ ケ ミ カ Le ズ company systems] in dyeed, then washed and be dried, the artificial leather (product) after being dyeed.
The flexibility of the artificial leather (product) for obtaining is good, is 5.In addition, MARTINDALE wear losses are 7.9mg, table Face quality is good, is 4.3.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using above-mentioned artificial leather, using method similarly to Example 1, full grain artificial leather is obtained. The flexibility of the full grain artificial leather for arriving is good, is 5.In addition, resistance to bending is 3.5.Show the result in table 1.
[embodiment 8]
＜ raw cotton ＞
(island component polymer)
Using the NYLON610 that fusing point is 220 DEG C, MFR is 45.0 as island component polymer.
(sea component polymer)
Using sea component polymer same as Example 1.
(spin-drawing)
In addition to using above-mentioned sea component polymer and island component polymer, operate similarly to Example 1, obtain The raw cotton of islands-in-sea bicomponent fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
Using above-mentioned non-woven fabrics, operate similarly to Example 7, the artificial leather (product) after being dyeed.
The flexibility of the artificial leather (product) for obtaining is good, is 5.In addition, MARTINDALE wear losses are 7.6mg, table Face quality is good, is 4.4.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using above-mentioned artificial leather, using method similarly to Example 1, full grain artificial leather is obtained. The flexibility of the full grain artificial leather for arriving is good, is 5.In addition, resistance to bending is 4.0.Show the result in table 1.
[embodiment 9]
＜ raw cotton ＞
(island component polymer)
Using island component polymer same as Example 7.
(sea component polymer)
There is the PET of 8.5 moles of % 5-sodium sulfo isophthalates using the copolymerization that fusing point is 240 DEG C, MFR is 100.
(spin-drawing)
In addition to using above-mentioned sea component polymer and island component polymer, operate similarly to Example 1, obtain The raw cotton of islands-in-sea bicomponent fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
Using above-mentioned non-woven fabrics, in order to sea component dissolving is removed, it is using the concentration of the temperature for being heated to 90 DEG C The sodium hydrate aqueous solution of 20g/L, carries out 30 minutes processing, and in addition, operates similarly to Example 7, after being dyeed Artificial leather.
The flexibility of the artificial leather (product) for obtaining is good, is 5.In addition, MARTINDALE wear losses are 8.7mg, table Face quality is good, is 4.2.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using above-mentioned artificial leather, operate similarly to Example 1, obtain full grain artificial leather.Obtain The flexibility of full grain artificial leather is good, is 4.In addition, resistance to bending is 3.5.Show the result in table 1.
[comparative example 1]
＜ raw cotton ＞
(island component polymer and sea component polymer)
Using island component polymer and sea component polymer same as Example 1.
(spin-drawing)
Using above-mentioned sea component polymer and island component polymer, had in 6 using having in 8 islands, Qie Ge islands Sea component, the fabric of island-in-sea type composite spinning jete that island number is 8/hole, inland sea number is 6/island, make the fiber number of islands-in-sea bicomponent fibre For 11.3tex, the fibre diameter for making superfine fibre is 10.5 μm, in addition, is operated similarly to Example 1, obtains island The raw cotton of type composite fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
In addition to using above-mentioned non-woven fabrics, operate similarly to Example 1, obtain tablet, artificial leather and artificial Leather (product).The flexibility of the artificial leather (product) for obtaining is poor, is 3.In addition, MARTINDALE wear losses are 5.4mg, surface Quality is 3.3.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using above-mentioned artificial leather, using method similarly to Example 1, full grain artificial leather is obtained. The flexibility of the full grain artificial leather for arriving is 3, and resistance to bending is 3.0.Show the result in table 1.
[comparative example 2]
＜ raw cotton ＞
(island component polymer and sea component polymer)
Using island component polymer and sea component polymer same as Example 1.
(spin-drawing)
Using above-mentioned sea component polymer and island component polymer, had in 70 using having in 8 islands, Qie Ge islands Sea component, the fabric of island-in-sea type composite spinning jete that island number is 8/hole, inland sea number is 70/island, make the fibre of islands-in-sea bicomponent fibre Spend for 11.3tex, the fibre diameter for making superfine fibre is 10.5 μm, in addition, is operated similarly to Example 1, obtains sea The raw cotton of island composite fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
In addition to using above-mentioned non-woven fabrics, operate similarly to Example 1, obtain tablet, artificial leather and artificial Leather (product).Sea component inside superfine fibre is not completely dissolved, and the flexibility of the artificial leather (product) for obtaining is poor, is 2.Separately Outward, MARTINDALE wear losses are 5.1mg, and surface quality is 3.1.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using above-mentioned artificial leather, using method similarly to Example 1, full grain artificial leather is obtained. The flexibility of the full grain artificial leather for arriving is 2, and resistance to bending is 2.5.Show the result in table 1.
[comparative example 3]
＜ raw cotton ＞
(island component polymer and sea component polymer)
Using island component polymer and sea component polymer same as Example 1.
(spin-drawing)
Using above-mentioned sea component polymer and island component polymer, had in 1 using having in 16 islands, Qie Ge islands Sea component, the fabric of island-in-sea type composite spinning jete that island number is 16/hole, inland sea number is 1/island, make the fibre of islands-in-sea bicomponent fibre Spend for 4.2tex, the fibre diameter for making superfine fibre is 4.4 μm, in addition, is operated similarly to Example 1, obtains island The raw cotton of type composite fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
In addition to using above-mentioned non-woven fabrics, operate similarly to Example 1, obtain tablet, artificial leather and artificial Leather (product).The flexibility of the artificial leather (product) for obtaining is poor, is 3.In addition, MARTINDALE wear losses are 6.3mg, surface Quality is 4.0.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using above-mentioned artificial leather, using method similarly to Example 1, full grain artificial leather is obtained. The flexibility of the full grain artificial leather for arriving is 3, and resistance to bending is 2.0.Show the result in table 1.
[comparative example 4]
＜ raw cotton ＞
(island component polymer and sea component polymer)
Using island component polymer and sea component polymer same as Example 1.
(spin-drawing)
Using above-mentioned sea component polymer and island component polymer, using with interior sea component, 16 island components it is (interior Sea component 0)/hole fabric of island-in-sea type composite spinning jete, make islands-in-sea bicomponent fibre fiber number be 4.7tex, make the fiber of superfine fibre A diameter of 4.4 μm, in addition, operate similarly to Example 1, obtain the raw cotton of islands-in-sea bicomponent fibre.
＜ non-woven fabrics ＞
Using above-mentioned raw cotton, processing is implemented similarly to Example 1, make non-woven fabrics.
＜ artificial leather ＞
In addition to using above-mentioned non-woven fabrics, operate similarly to Example 1, obtain tablet, artificial leather and artificial Leather (product).The flexibility of the artificial leather (product) for obtaining is poor, is 3.In addition, MARTINDALE wear losses are 6.0mg, surface Quality is 3.6.Show the result in table 1.
＜ full grain artificial leather ＞
In addition to using above-mentioned artificial leather, using method similarly to Example 1, full grain artificial leather is obtained. The flexibility of the full grain artificial leather for arriving is 3, and resistance to bending is 2.5.Show the result in table 1.
[table 1]

Claims (5)

1. a kind of tablet, it is characterised in that with non-woven fabrics and elastomeric polymer as constituent, the non-woven fabrics is with flat It is main body that equal single fiber diameter is the ultra-fine doughnut of 0.05～10 μm of scope, and the fiber of the ultra-fine doughnut is transversal There are 2～60 hollow bulbs in face.
2. tablet as claimed in claim 1, it is characterised in that the average single fiber a diameter of 0.1～6 of ultra-fine doughnut μm scope.
3. tablet as claimed in claim 1 or 2, it is characterised in that tablet is have the artificial of raising at least one side Leather.
4. tablet as claimed in claim 1 or 2, it is characterised in that tablet is full grain artificial leather.
5. a kind of manufacture method of tablet, it is the manufacture method of the tablet any one of Claims 1 to 4, its It is characterised by, form ultra-fine doughnut by composite fibre, the composite fibre has in the sea component as easy dissolved element The middle island component coordinated as difficult dissolved element so coordinate in above-mentioned island component interior sea component as easy dissolved element and Into structure.
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